Why has the use of halide torches in leak detection decreased in popularity?

A) It is a very expensive method. B) It does not work with most modern refrigerants.
C) It has been banned by many states. D) It has harmful environmental implications.


B

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The chemical formula C2H5OH represents ____

a. methanol c. ethanol b. butanol d. glucose

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The portion of a nozzle assembly that produces rotation of the oil spray is called the ____________________.

Fill in the blank(s) with the appropriate word(s).

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An RTO timer rung is false and the ACC value is greater than the PRE value, so the ________ timer bits are true

A) Both the TT and DN B) Both the EN and TT C) Only the DN D) Only the TT

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Which furnace configuration does the multipoise furnace most closely match as delivered from the factory?

a. upflow b. downflow c. horizontal d. low-boy

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